Improvement in method op forming cylinders



To all whom fit 'nul-y concern A l, ing", dated 4i-IEND'ERSON WILLARD, 0F GRAND RAPIDS, MICHIGAN.,

Letters Patent No. 103,001, dated May 10, 1870.

IMPRQVEMENT 1N METHOD or FORMING CYLINDEns.

MoH-

The Schedule referred to in these `Lettere Patent and making part of the-same.

Be it` known that 1,' HENDERSON WILLARD, of Grand Rapids, in the county' of Kent 'and State of Michigan, have invented a `new and useful Method of y Forming Cylindrical Packages; and I do hereby declare the following to be a full and sufficient description ofthe saine,rcference being had to the accompanying drawings which makepart of this 'specifica` tion, and in which- Figure 1 1s a perspectiy'e view of the method of carrying out the invention.

Figure 2 is a cross-section showing the cut used in this method. i

Figure 3 is a perspective view of a' conicallyshaped package produced by my improved method. Y

Like letters of reference indicate like parts in the several `rigures The nature of my invention consists in forming cylinders for constructing packages from a solid piece oi' timber, the grain of which runs parallel to its length,`

bycuts with a gang of gig-saws, the cuts being'made at right angles to the plane of across-section of the` piece of timber, so as to produce cylinders in which the grain of the wood runs parallel to the sides of the packages from top `to bottom.

YIn fig. 1 a gang ofhand or gig-saws is made to cut, from a radial slot, concentric cylinders, thus cutting one piece of timber into the required number of-v cylinders at one operation, the cuts being shown in fm2.

l,I am aware that cylindrical packages have been pro-` duced by such cut-s vas I have described, as, for instance, as shown inthe patent of Leonard Asa Flem- January 4, 1870, but in` those cases the "fibers of the iwood, as it is presented to the saw or saws, is inclined -at an angle toward the line of the saws, and the latter consequently cuts `through 'the -HOW l fiber diagonally, thus producing a package with-flaring sides, in which the grain' is vertical or at right anglesv to the plane of a cross-section of the package,but not paralleltothe sides of the same, so that the cut and torn fibers of the wood, as' produced by the saw-cut, terminate `all over, and, in fact, form the entire surface ofthe sides of the package. 4 Such a'vessel, when splitting, will not split from ltop to bottom, but dia-` gonally to the upper portion ot' the side from the lower portion.

In fig. 3 I show a cylindrical package with daring sides, produced by the cut-s described, but having the grain running parallel with the length of the sides,

yfrom top to bottom, but not'at right angles to the plane ot' a 'crossfsectionof the package.- This is pro-.

duced by rst cutting a cylinder, as shown in igs. 1 and 2, then exsecting a wedgefshaped piece from thesides and bringing the cnt edges together.k Hoops, or other modes of securing, may be applied and the top and bottom edges trimmed oft even.

I do not, of course,4 lairn broadly cutting cylinders from solid pieces of timber, as I am well aware that this has long been done; nor do Iclaim producing cylindrical packages by thel method of Mr. Fleming, `which I have mentioned above'; but

WhatI claim as my invention, and desireito secure by Letters Patent,y is i The hollow cylinder herein when produced insthe manner specified. p

In witness that I claim the above, I have hereunto i shown and described, and forthepurpose setmyy hand this lQt-hday' of February, A. D. 1870.

HENDERSON WILLAJeD. [n s] Witnesses: y

EDWARD TAGeAnT, OHAs. O.'S1M0Nns. y

thickness of the sides, separating an l 

